diff --git a/.github/workflows/key4hep.yml b/.github/workflows/key4hep.yml
index 96c4b28..aaf8f75 100644
--- a/.github/workflows/key4hep.yml
+++ b/.github/workflows/key4hep.yml
@@ -3,7 +3,7 @@ name: Key4hep build
 on:
   push:
     branches:
-    - main
+    - master
   pull_request:
   workflow_dispatch: